/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.anywide.dawdler.clientplug.web.interceptor;

import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.atomic.AtomicBoolean;

import com.anywide.dawdler.core.annotation.Order;
import com.anywide.dawdler.core.order.OrderComparator;
import com.anywide.dawdler.core.order.OrderData;
/**
 * 
 * @Title:  InterceptorProvider.java   
 * @Description:    拦截器提供者   
 * @author: jackson.song    
 * @date:   2007年04月19日   
 * @version V1.0 
 * @email: suxuan696@gmail.com
 */
public class InterceptorProvider {
	private static AtomicBoolean order = new AtomicBoolean(false);
	public static List<OrderData<HandlerInterceptor>> getHandlerInterceptors() {
		return handlerInterceptors;
	}

	public static synchronized void addHandlerInterceptors(HandlerInterceptor handlerInterceptor) {
		Order co = handlerInterceptor.getClass().getAnnotation(Order.class);
		OrderData<HandlerInterceptor> od = new OrderData<HandlerInterceptor>();
		od.setData(handlerInterceptor);
		if(co!=null){
			od.setOrder(co.value());
		}
		handlerInterceptors.add(od);
	}
	public static void order() {
		if(order.compareAndSet(false, true))
			OrderComparator.sort(handlerInterceptors);
	}
	private static List<OrderData<HandlerInterceptor>>  handlerInterceptors = new ArrayList<OrderData<HandlerInterceptor>>(); 
}

